The Perfect SpamSnake - Ubuntu 12.04 - Nginx, uWSGI & Baruwa

first of all I'm still "learning" and got stuck on this great howto. I did it a few years ago with Ubuntu 8.04 and the server still works well. Now I am trying to put a new version on a new server with Ubuntu 12.04.
Most of the 10.10-howto still works good but I am having problems with the installation of Nginx, uWSGI & Baruwa. The biggest problem ist that there are no Packages for 12.04 on https://launchpad.net/~chris-lea/ archive/uwsgi. I tried using the Ubuntu repository, but then folders like /etc/uwsgi/uwsgi-python2.6/ are missing because there is no uwsgi-python2.6 on 12.04.
I would even install more from the repository, but when I install Baruwa, it doesn't find Mailscanner, needs to install/replace it and crashes because it cannot remove the folders. When I even install Mailscanner (from the Baruwa repo) with Aptitude the folders completely differ from the howto.
Can anyone help me, especially with uWSGI? Or is it easy to use Apache, instead of nginx?

There is no Precise-/Quantal-.deb for uWSGI on Chris Lea's Launchpad and when I install nginx and uWSGI with Aptitude I need Python 2.7, instead of 2.6. The folder /etc/uwsgi/uwsgi-python2.6/ doesn't exist and currently my Linux skills are (by far...) not good enough to find the solution...

Is it difficult to use Apache, instead of nginx? Or would it end up in a mess when I try to install Mailscanner, Baruwa and Apache with Aptitude?

Unfortunately, you have to use my sn package for the install. I've removed a few things from the binary from my custom setup, so that's why you're having issues. I've updated the link, let me know if it works. Google is not really document friendly anymore and I don't have a storage for it.

I did the complete install according to the tutorial many times now, because of problems of getting it to work. This time I snapshot my vm at different stages. Reverting to the snapshot just after installing MailScanner, I get the following when starting or stopping it:

I am not sure if it is related, but with the full install, Baruwa does not log messages, even though the database settings are correct and celeryd often does not start. Could be those are different issues altogether.